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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2013-06-05 18:06:16 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-06-26 23:10:06 +0400 |
| commit | 944239c59e93a2a76c0c0dfa473700f82572e17d (patch) | |
| tree | 89caa0f12802dddf7fe1e1ee18377724f8ad0a48 /arch/s390/pci/pci.c | |
| parent | 44b9ca47534d478bf9954d380515cb282fcb48a2 (diff) | |
| download | linux-944239c59e93a2a76c0c0dfa473700f82572e17d.tar.xz | |
s390/pci: implement pcibios_release_device
Use pcibios_release_device to implement architecture-specific
functionality when a pci device is released. This function
will be called during pci_release_dev.
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/pci/pci.c')
| -rw-r--r-- | arch/s390/pci/pci.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index f1e5be85d592..a56fce445c39 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -565,7 +565,21 @@ static void zpci_map_resources(struct zpci_dev *zdev) pr_debug("BAR%i: -> start: %Lx end: %Lx\n", i, pdev->resource[i].start, pdev->resource[i].end); } -}; +} + +static void zpci_unmap_resources(struct zpci_dev *zdev) +{ + struct pci_dev *pdev = zdev->pdev; + resource_size_t len; + int i; + + for (i = 0; i < PCI_BAR_COUNT; i++) { + len = pci_resource_len(pdev, i); + if (!len) + continue; + pci_iounmap(pdev, (void *) pdev->resource[i].start); + } +} struct zpci_dev *zpci_alloc_device(void) { @@ -810,6 +824,16 @@ int pcibios_add_device(struct pci_dev *pdev) return 0; } +void pcibios_release_device(struct pci_dev *pdev) +{ + struct zpci_dev *zdev = get_zdev(pdev); + + zpci_unmap_resources(zdev); + zpci_fmb_disable_device(zdev); + zpci_debug_exit_device(zdev); + zdev->pdev = NULL; +} + static int zpci_scan_bus(struct zpci_dev *zdev) { struct resource *res; |